table{
    width: 900px;
    border-collapse: collapse;
    td{
        padding: 10px;
        text-align: center;
        border: 1px solid #ccc;
        .changeBtn{
            width: 25px;
            height: 25px;
            border: none;
            background-color:orange;
            color: white;
        }
        .inputNum{
            text-align: center;
            width: 45px;
            height: 18px;
            margin: 0 5px;
        }
    }
}
